/**
 * @description
 * @author Evan Lin (evan_origin@163.com)
 * @date 2020-04-09
 */
window.onload = function() {
    var go = document.getElementById('go');
    var box = document.getElementById('box');

    eventUtil.addHandler(box, 'click', function() {
        alert('我是整个父盒子！')
    })
    eventUtil.addHandler(go, 'click', function(e) {
        e = eventUtil.getEvent(e);
        eventUtil.stopPropagation(e);
        eventUtil.preventDefault(e);
        alert(eventUtil.getElement(e));
    })


}
